Sole Achievements Here is the full list of all 16 Sole achievements.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc Flag Filter All None 16 Offline Mode 16 Single Player 5 Main Storyline 9 Collectable Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply The CaveIlluminated the tunnels and chambers of an abandoned cave Mountain CityExplored the ruins of a beautiful garden and a great library The RiverSkimmed down a river of rushing rapids AtlantisUnlocked the secrets of a sprawling city SolIlluminated a forgotten world once lost to darkness Buried LettersFound all the ancient letters around the cave Forgotten LettersFound all the ancient letters around Mountain City Missing LettersFound all the ancient letters in the river Lost LettersFound all the ancient letters around the flooded city Hidden LettersFound all the ancient letters throughout the lighthouse Can You Read Me Now?Unlocked the entire secret alphabet Behind The FallsWent behind the waterfall inside the cave Green ThumbRegrew all the dead trees across Mountain City Hat-TrickFlew through all three hoops in the river Lift Your SpiritsRode the massive elevator in the city LumensCollected all the charges across the valley sequence